1 files changed, 2 insertions, 0 deletions
diff --git a/sortlib.cuh b/sortlib.cuh
index 0aba73b..db6c949 100644
--- a/sortlib.cuh
+++ b/sortlib.cuh
@@ -112,6 +112,7 @@ public:
     // printf("tmp: %llu %lf %lu\n", *it - *it_prev, tmp, prev_real_location);
   }
 
+  // First version
   __device__ __host__ key_type *
   original_binary_search(key_type *start, const key_type *end, key_type &val) {
     auto begin = start;
@@ -138,6 +139,7 @@ public:
     return last_known_point;
   }
 
+  // CDF original version (should only work on default data layout)
   __device__ __host__ double sample_cdf(key_type *start, key_type *end,
                                         key_type x) {
     auto it = this->original_binary_search(start, end, x);